Machine for raising nap on textiles and the like



. 3l, i929- A. o. scHRAMM ET AL MACHINE FOR RAISING NAP ON TEXTILES AND THE LIKE Filed June 4, 192s Patented Dec. 31, 1929 UNITED STATES PATENT OFFICE ALBERT 0. SCHRAMM AND JOHN H. SCHREIBER, OF ST. LOUIS, MISSOURI, ASSIGNOR, BY MESNE ASSIGNMENTS, T0 THE AMERICAN' LAUNDRY MACHINERY COMPANY, OF CINCINNATI, OHIO, A CORPORATION OF OHIO MACHINE `FOR RAISING NAI ON TEXTILES AND THE LIKE Application led June 4, 1928.

rlhis invention relates to machines for raising nap on textiles and the like, and an object is to provide improved means for guiding the work through the machine and tor withdrawing and discharging from the machine tragments of lint and other materials so that the work will be discharged from the machine in clean condition.

Another object of the invention is to provide an improved variation of parts of the mechanism embodied in the machine disclosed in the application of Albert O. Schramm and John H. Schreiber, led February 17, 1928, Serial No. 254,927.

Other objects will appear from the following description, reference being had to the drawing in which Fig. 1 is a vertical transverse sectional view ot the upper portion of the machine in which the present invention is embodied.

Fig. 2 is a side elevation of one of the devices fer preventing theV work from adhering to the nap-raising rolls and for detaching the l lint and other materials from the rolls.

Fig. 3 is a sectional View on the line 3-3 of Fig. 2.

' As in the machine disclosed in said application Serial No. 254,927 the nap-raising mechanism is enclosed within a casing 1 ot' appropriate shape and dimensions and having its top wall curved inwardly at one side, as indicated at 2, to provide an opening for insertion of the work. An arcuate table 3 is supported within the casing 1 and constitutes a support for the work passing to the nap-raising devices of the machine and is cooperatively related to the work actuating mechanism. A table 4 is mounted on a pivot -on a pair of swingable arms 6 supported on a pivot 7 so that they may be swung outwardlyand inwardly from and toward the arcuate table 3. In the inward position of said arms the upper edge of the inclined table 4 contacts approximately tangentially with the surface of the table 3. A carding brush 8 is attached to the table 4 near its inner edge and is adapted to be engaged by the work preparatory to operation of the machine. By placing the work upon the Cardin g brush 8 properly the work will be held and supported until engaged by the op- Serial No. 282,534.

4 in position tor engagement of another piece ot' work with the brush 8.

Shafts 11 and 12 are rotated in the directions ot the arrows (Fig. 1) by driving connections (not herein shown) ,such as disclosed in said application Serial No. 254,927. So too the shaft 13 having the belt roll 14 thereon is rotated to operate the fabric actuating belt 15 which engages the fabric and moves the same across the table 3 toward the nap-raising devices.

Each of the shafts 11 and 12 supports a roll 16 and around each roll 16 a cylindrical carding brush roll 17 is mounted. The ends of the carding brushes 17 on the respective rolls engage Vthe opposite sides of the fabric and since said rolls operate at greater speed than the fabric the nap on the labric is raised and lint and other useless elements are removed. The speed of movement of the work is retarded by the belt 15 pressing the work upon the table 3, the belt 15 also serving as an actuator 'for the work.

Guides are provided for the Work passing from the brush rolls, each of said guides comprising a series of arms 18 for each of the carding brush rolls 17. Each series of arms 18 is attached to the upper edge 19 of the inner wall 20 of a suction device 21. The upper ends 01 the. arms 18 are pointed and extended into the respective carding brushes 17 so that, as said brushes rotate, these arms remove lint and other adhering substances, causing the lint to be drawn into the mouths 22 of the suction devices 21 while the work is guided downwardly between said suction devices to the inclined support 23 which guides the work from the machine. From the suction devices 21 the lint and other useless material is withdrawn from the machine through chutes 24.

From the foregoing it will be understood that the present invention varies from that disclosed in said application Serial No. 254,927 by the construction and cooperative relationship of the nap-raising roll devices 17 and further by the provision of the rake arms 1S for removing the lint and other substances from the carding brush rolls and guiding the work properly. These guiding' rake arms 18 are also cooperatively related to the suction devices so that the lint and other substances loosened on the rolls by said arms may be withdrawn by the suction devices.

This invention may be varied within equivalent limits without departure from the nature and principle thereof and such variation as may be found desirable is contemplated.

vWhat we claim and desire to secure by Letters Patent is l. A machine of the character described comprising a pair of oppositely rotative cylindrical brushes supported in position to brush sheets of fabric passing between them, anda `row of arms extending` into each of said brushes'near the discharge line and from the side opposite from which the fabric passes between said rolls, said rows of arms inclining toward each other and having pointed extremities.

2. A machine of the character described comprising a pair of oppositely rotative cylindrical brushes supported in position to brush sheets of fabric passingy between them', a row of arms extending into each of said brushes near the discharge line and from the side opposite from which the fabric passes between said rolls, said rows of arms inclining toward each other an-d having pointed extremities, and a suction device below each row of arms.

3. A machine of the character described comprising a pair of rotative cylindrical brushes, mechanism for feeding sheets of fabric between said brushes in the direction of their rotation, a series of rake arms extending into each of said brushes in a dircction opposite from the -direction of rotation of said brushes, the ends of the arms of each series being spaced from the ends of the arms of the other series, and a suction device adjacent to each series of arms.

4. A machine of the character described comprising two adjacent horizontal rotative rolls having circumferential brushes thereon for engaging and operating against fabrics passing downwardly between said rolls, mechanism for moving fabrics laterally above one of said rolls and discharging the fabrics downwardly between said rolls, and a row of arms extending upwardly into the brush of each of said rolls near the line at which the work passes from simultaneous engagement with the two rolls.

5. A machine of the character described comprising two adjacent horizontal oppositely rotative rolls having circumferential brushes thereon for engaging and operating against fabrics passing downwardly between said rolls, a support above one of said rolls having its inner edge approximately vertically above the adjacent peripheral portions of said rolls, mechanism for moving fabrics across said support and discharging the fabrics from said support downwardly between said rolls, and a row of arms extending upwardly into the brush of'each of said rolls near the line at which the fabric passes from simultaneous engagement with the two rolls.

G. A machine of the character described comprising two adjacent horizontal oppositely rotative rolls, circumferential brushes on said rolls for engaging and operating on fabrics passing ldownwardly between said rolls, mechanism for moving fabrics over one of said rolls and the brush thereon and discharging the fabrics downwardly between said brushes, and a series of stationary arms extending into each of said brushes and tern'iinating below the planes of the axes of said rolls from the feeding-in side.

7. A machine of the character described comprising a pair of horizontal oppositely rotative rolls, a circumferential brush on each of said rolls extending into approximate contact with the brush on the other roll, mechanism' for moving fabrics laterally above one of said rolls and the brushes'thereon and discharging the fabrics downwardly between said brushes, and two spaced series of arms extending into said brushes respectively from the side opposite from which said mechanism moves and discharges fabrics between said rolls.

8. A machine of the character described comprising a pair of horizontal oppositely rotative rolls, a circumferential brush on each of said rolls extending into approximate contact with the brush on the other roll, mechanism for moving fabrics laterally above one of said rolls and the brushes thereon and discharging the fabrics downwardly between said brushes, two spaced series of arms extending into said brushes respectively from the side opposite from which said mechanism moves and discharges fabrics between said rolls, and a pair of spaced suction devices below said arms and between which the fabrics pass from between said arms.

9. A machine of the character described comprising a pair of adjacent horizontal oppositely rotative cylindrical brushes for engaging and operating against fabrics passing downwardly between them, mechanism for moving fabrics laterally above one of said brushes and discharging the fabrics downwardly between said brushes, and series of rake arms extending into said brushes respectively near the discharge line of said fabrics and in a direction opposite from the direction of rotation of said brushes, said series of brushes being spaced apart and forming guides directing the fabrics downwardly.

l0. A machine of the character described comprising a pair of adjacent horizontal oppositely rotative cylindrical brushes for engaging and operating against fabrics passing downwardly between them, mechanism for moving fabrics laterally above one of said brushes and discharging the fabrics downwardly between said brushes, series of rake arms extending into said brushes respectively near the discharge line of said fabrics and in a direction opposite from the direction of rotation of said brushes, said series of rake arms being spaced apart and forming guides directing the fabrics downwardly, and a pair of spaced suction devices below said arms and spaced apart, permitting fabrics to pass between them.

l1. In a machine of the character described, two adjacent horizontal rotative brush rolls for operating against opposite sides of fabrics passing downwardly between said rolls, spaced supports below said rolls between which the fabrics leaving said rolls pass, and approximately parallel upright rakes supported by said supports and projecting upwardly into adjacent peripheral portions of said brush rolls below the line of brushing contact of said rolls with the fabric passing downwardly between said rolls, said rakes being arranged to detach and guide the fabrics from said rolls and spaced apart to permit the fabric to pass between them.

l2. In a machine of the character described two adjacent horizontal rotative brush rolls for operating against opposite sides of fabrics downwardly between said rolls, means for support-ing and guiding fabrics to position for downward movement between said rolls, spaced supports below said rolls between which the fabrics leaving said rolls pass, approximately parallel upright rakes supported by said supports and having their upper ends terminatingin adj acent peripheral portions of said rolls below the line of brushing contact of said rolls with the fabric passing downwardly between said rolls for detaching and guiding said fabrics from said rolls, and an element below said rakes for guiding the fabrics toward one side of the machine.

ALBERT O. SCHRAMM. JOHN H. SCHREIBER.

CERTIFICATE OF CORRECTION.

Patent No. 1,741,542. Granted December 31, 1929, to

I ALBERT 0. SCHRAMM and JOHN H. SCHREIBER It is hereby certified that error appears in the printed specification of the above numbered patent requiring correction as follows: Page 3, line 40, claim 12, before the word "downwardly" insert the word "passing"; and that the said Letters Patent should be read with this correction therein that the same may conform to the record of the case in the Patent Office.

Signed and sealed this 28th day of January, A. D. 1930.

M. J. Moore, (Seal) Acting Commissioner of Patents. 

